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https://issues.apache.org/jira/browse/SPARK-11262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969637#comment-14969637
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Apache Spark commented on SPARK-11262:
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User 'avulanov' has created a pull request for this issue:
https://github.com/apache/spark/pull/9229
> Unit test for gradient, loss layers, memory management for multilayer
> perceptron
> --------------------------------------------------------------------------------
>
> Key: SPARK-11262
> URL: https://issues.apache.org/jira/browse/SPARK-11262
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.5.1
> Reporter: Alexander Ulanov
> Fix For: 1.5.1
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Multi-layer perceptron requires more rigorous tests and refactoring of layer
> interfaces to accommodate development of new features.
> 1)Implement unit test for gradient and loss
> 2)Refactor the internal layer interface to extract "loss function"
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